The answer to $2 + 2$ is $4$.

Would you like more details or have any other questions? Here are some related questions you might find interesting:

1. What is the difference between addition and multiplication?
2. Can you solve $2 \times 2$ and explain how it works?
3. How do you perform operations with fractions like $\frac{2}{2} + \frac{2}{2}$?
4. What happens if you subtract 2 from 2?
5. How do you solve equations with variables like $x + 2 = 4$?

Tip: When doing basic addition, it helps to visualize the numbers using objects or counters to better understand the operation.